Heck cross-coupling of vinyl heteroaromatic compounds with aryl and heteroaryl halides using Pd (II) complex under phosphine-free conditions
M Annapurna, PV Reddy, SP Singh, ML Kantam
Index: Annapurna, Manne; Vishnuvardhan Reddy; Singh, Surya Prakash; Kantam, Mannepalli Lakshmi Tetrahedron, 2013 , vol. 69, # 51 p. 10940 - 10945
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Citation Number: 3
Abstract
Abstract The palladium-catalyzed cross-coupling reaction of vinyl heteroaromatic compounds with aryl bromides and heteroaryl bromides is described using air and moisture stable N, N′, N ″, O-tetrafunctional Pd catalyst under phosphine-free conditions. As a result a variety of trans-1, 2-disubstituted vinyl heterocycles were obtained in high to good yields.
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